I think they are quality of information, leisure to digest it and the right to carry out actions based on what we learn from the interaction of the first two.
1. To support the topic of the paragraph
2.To wrap up your paper and close it off
3. Show where you got your work so you don't get flagged for plagerism
Answer:
how long does it need to be
Well, some of the main characters are Harry, Ron, Hermione, Dumbledore, and Voldemort. But some minor characters that really help contribute to the story are the entire Weasley family, Remus Lupin, Sirius Black, and Snape.